/*
 * This file is part of the Try! Engine project.
 *
 * Copyright 2010-2011 Emanuele Bertoldi. All rights reserved.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * You should have received a copy of the modified BSD License along with this
 * program. If not, see <http://www.opensource.org/licenses/bsd-license.php>
 */

#include "userbehavior.h"
#include <keyboardlistener.h>
#include <scenetransformable.h>

#define STEP_LENGTH 0.3f

UserBehavior::UserBehavior()
{
}

UserBehavior::~UserBehavior()
{
}

void UserBehavior::onMessage(const Try::Message& msg, Try::Object* sender, Try::Property* property)
{
    if (!property)
        return;

    else if (property->is(Try::KeyboardListener::name))
    {
        Try::SceneTransformable* transform = sender->property<Try::SceneTransformable>();

        if (transform && msg.is(Try::KeyboardListener::Msg::keyPressed))
        {
            int key = msg.param<int>();

            Vector3 o;

            switch (key)
            {
                case Try::KeyboardListener::KEY_UP:
                    o = Vector3(0, 0, -1);
                    break;

                case Try::KeyboardListener::KEY_DOWN:
                    o = Vector3(0, 0, 1);
                    break;

                case Try::KeyboardListener::KEY_LEFT:
                    o = Vector3(-1, 0, 0);
                    break;

                case Try::KeyboardListener::KEY_RIGHT:
                    o = Vector3(1, 0, 0);
                    break;

                default:
                    return;
            }

            transform->translate(o*STEP_LENGTH);
            transform->lookAt(transform->position() + o*STEP_LENGTH*5);
        }
    }
}

